Integer Overflow or Wraparound Affecting libxml2 package, versions <0:2.9.7-15.el8_7.1


medium

Snyk CVSS

    Attack Complexity Low
    Availability High
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NVD
7.5 high
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Red Hat
8.2 high
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SUSE
7.5 high

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  • Snyk ID SNYK-CENTOS8-LIBXML2-3057678
  • published 20 Oct 2022
  • disclosed 14 Oct 2022

How to fix?

Upgrade Centos:8 libxml2 to version 0:2.9.7-15.el8_7.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libxml2 package and not the libxml2 package as distributed by Centos:8. See How to fix? for Centos:8 relevant fixed versions and status.

An issue was discovered in libxml2 before 2.10.3. When parsing a multi-gigabyte XML document with the XML_PARSE_HUGE parser option enabled, several integer counters can overflow. This results in an attempt to access an array at a negative 2GB offset, typically leading to a segmentation fault.